Fatal error: Uncaught Error: Class 'WP_List_Table' not found in /home/.sites/site18/wwwroot/web/wp-admin/includes/class-wp-posts-list-table.php:17 Stack trace: #0 {main} thrown in /home/.sites/site18/wwwroot/web/wp-admin/includes/class-wp-posts-list-table.php on line 17